A stainless steel spherical tank, with an inner diameter of 3 m and a wall thickness of
Question:
A stainless steel spherical tank, with an inner diameter of 3 m and a wall thickness of 10 mm, is used for containing a solution undergoing an exothermic reaction that generates 450 W/m3 of heat. The tank is located in a surrounding with air at 15°C. To prevent thermal burns on the skin of people working near the vicinity of the tank, the outer surface temperature should be at 45°C or lower. Determine whether the outer surface of the tank should be polished (ε = 0.2) or painted in black (ε = 0.88). Evaluate the air properties at 30°C and 1 atm pressure. Is this a good assumption?
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To determine whether the outer surface of the tank should be polished 02 or painted black 088 to maintain the outer surface temperature at or below 45...View the full answer
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Related Book For 
Heat And Mass Transfer Fundamentals And Applications
ISBN: 9780073398181
5th Edition
Authors: Yunus Cengel, Afshin Ghajar
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